<div class="elements">
    <h3 class="ui-widget-header widgets">
        <div class="title">Quảng cáo</div>
    </h3>
    <div class="quang_cao">
        <img src="../upload/images/quang_cao_01.jpg" />
        <img src="../upload/images/quang_cao_02.gif" />
        <img src="../upload/images/quang_cao_03.gif" />
        <img src="../upload/images/quang_cao_04.gif" />
    </div>
</div>